Men’s Running Long Sleeve Shirt

We've solved the problem of being too cold when you start running or too hot when you get going. ColdGear® Reactor uses a unique structure to actually adapt to what you're doing so as you pick up speed, it dumps excess heat.

Product DNA

Fitted: Next-to-skin without the squeeze.

ColdGear® Reactor adapts to your activity level for the right breathability & warmth for what you're doing

Fabric has a unique hex-shaped pattern that traps a lot of warmth but still breathes as you run